Thanks Colin, unfortunately I don't think that this is going to be a scalable solution given the nature of the network and userbase.
Is a PAT pool singularly incompatible with PPTP passthrough because of the dynamic nature of source/dest port allocation? Also why is this possible when overloading to a single IP address, rather than a pool?
Table of ContentsIntroductionVersion HistoryPossible Future
UpdatesDocuments PurposeNAT Operation in ASA 8.3+ SectionsRule Types
Network Object NATTwice NAT / Manual NATRule Types used per SectionNAT
Types used with Twice NAT / Manual NAT and Network Obje...
[toc:faq]Introduction:This document describes details on how NAT-T
works.Background:ESP encrypts all critical information, encapsulating
the entire inner TCP/UDP datagram within an ESP header. ESP is an IP
protocol in the same sense that TCP and UDP are I...